package BJava2月.AJava第一周;

public class E基本数据类型值传递 {
    public static void main(String[] args) {

       int number = 100;
       System.out.println("调用change方法前："+ number);
       number = change(number);
       System.out.println("调用change方法后："+number);
    }

       public static int change(int number){
        number = 200;
        return number;
       }
    }
